The temperature on August 18, 1921 was between 10.5 °C and 26.7 °C and averaged 19.8 °C. There was 11.7 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
When copying data from this family tree, please include a reference to the origin: Ron Oortwijn, "Family tree Oortwijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oortwijn/I9411.php : accessed August 9, 2025), "Hermina Catharina Smals (1891-????)".
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